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Cyanotype

The cyanotype process was one of the first non-silver technologies used to create photographic images. Originated in 1842 by Sir John Herschel, it was not utilized in mainstream photography but was adopted as a copying technique, becoming known by the term "blueprint".

The cyanotype process is non-toxic printing process and therefore we wanted to try it. In a nutshell, two solutions are mixed together to sensitized the material (paper, textile, wood, etc.) one wants to print on it. This material can be stored for while in the dark. When exposed to ultraviolet light, the uncovered regions of the sensitizer will darkening to blue. After exposure the print is developed just by rinsing it in cold water which removes any unexposed chemicals.